Token USD Coin

Overview ERC20

Price
$1.00 @ 2.729501 GLMR (+0.11%)
Fully Diluted Market Cap
Total Supply:
51,319,715.564273 USDC

Holders:
10,166 addresses
Balance
872.652191 USDC

Value
$874.40 ( ~2,381.9123 GLMR) [0.0017%]
0xace58a26b8db90498ef0330fdc9c2655db0c45e2
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Market

Volume (24H):$2,510,612,652.00
Market Capitalization:$43,247,280,789.00
Circulating Supply:43,040,828,617.00 USDC
Market Data Source: Coinmarketcap


Update? Click here to update the token ICO / general information
# Exchange Pair Price  24H Volume % Volume
1
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.005
0.0000593 Btc
$326,178,267.00
327,442,324.071 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.3030%
2
LBank
ETH-USDC$1.001
0.0000591 Btc
$210,100,897.00
164,464.635 ETH
0.0002%
3
LBank
BTC-USDC$1.001
0.0000591 Btc
$202,331,425.00
11,936.274 BTC
0.0000%
4
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.005
0.0000593 Btc
$122,666,496.00
122,096,918.731 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.1130%
5
MEXC Global
ETH-USDC$1.001
0.0000591 Btc
$108,955,550.00
85,332.161 ETH
0.0001%
6
Bitforex
USDC-USDT$1.001
0.0000591 Btc
$86,107,135.00
85,994,598.684 USDC
0.0796%
7
MEXC Global
BTC-USDC$1.001
0.0000591 Btc
$85,416,877.00
5,039.337 BTC
0.0000%
8
Bitforex
BTC-USDC$1.001
0.0000591 Btc
$80,040,212.00
4,721.532 BTC
0.0000%
9
Uniswap (Arbitrum One)
0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8$1.002
0.0000591 Btc
$39,842,021.00
30,969.165 0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1
0.0000%
10
Kraken
USDC-USDT$1.001
0.0000591 Btc
$35,407,108.00
35,371,443.542 USDC
0.0327%
11
Kraken
USDC-EUR$1.001
0.0000590 Btc
$26,680,719.00
26,663,172.456 USDC
0.0247%
12
Kraken
USDC-USD$0.9999
0.0000590 Btc
$25,720,798.00
25,723,369.871 USDC
0.0238%
13
Huobi
USDC-USDT$1.001
0.0000591 Btc
$22,237,868.00
22,211,858.265 USDC
0.0206%
14
BitMart
BTC-USDC$1.001
0.0000591 Btc
$21,376,834.00
1,261.365 BTC
0.0000%
15
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.005
0.0000593 Btc
$20,228,096.00
20,351,845.736 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0188%
16
WhiteBIT
USDC-USDT$1.001
0.0000591 Btc
$20,087,101.00
20,064,964.924 USDC
0.0186%
17
BingX
BTC-USDC$1.001
0.0000591 Btc
$19,237,008.00
1,125.357 BTC
0.0000%
18
BKEX
BTC-USDC$1.001
0.0000591 Btc
$17,896,301.00
1,046.030 BTC
0.0000%
19
XT.COM
USDC-USDT$1.001
0.0000591 Btc
$17,865,870.00
17,844,484.640 USDC
0.0165%
20
Bybit
BTC-USDC$1.001
0.0000591 Btc
$17,619,022.00
1,039.829 BTC
0.0000%
21
P2B
USDC-USDT$1.001
0.0000591 Btc
$17,094,506.00
17,075,668.500 USDC
0.0158%
22
P2B
USDC-BUSD$1.002
0.0000591 Btc
$17,010,683.00
16,985,190.500 USDC
0.0157%
23
BKEX
ETH-USDC$1.001
0.0000591 Btc
$16,984,464.00
13,202.035 ETH
0.0000%
24
Bybit
USDC-USDT$1.001
0.0000591 Btc
$14,151,252.00
14,132,787.790 USDC
0.0131%
25
DigiFinex
USDC-USDT$1.001
0.0000591 Btc
$12,767,351.00
12,750,731.653 USDC
0.0118%
26
OKX
ETH-USDC$1.001
0.0000591 Btc
$12,726,178.00
9,892.617 ETH
0.0000%
27
Bybit
ETH-USDC$1.001
0.0000591 Btc
$11,530,157.00
9,033.412 ETH
0.0000%
28
OKX
USDC-USDT$1.001
0.0000591 Btc
$9,540,149.00
9,528,165.658 USDC
0.0088%
29
OKX
BTC-USDC$1.001
0.0000591 Btc
$9,397,125.00
549.318 BTC
0.0000%
30
DigiFinex
ETH-USDC$1.001
0.0000591 Btc
$9,037,790.00
7,077.990 ETH
0.0000%
31
Uniswap (v3)
0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.005
0.0000593 Btc
$8,277,215.00
8,238,052.972 0X6B175474E89094C44DA98B954EEDEAC495271D0F
0.0076%
32
BKEX
USDC-USDT$1.001
0.0000591 Btc
$6,690,322.00
6,681,827.576 USDC
0.0062%
33
DigiFinex
BTC-USDC$1.001
0.0000591 Btc
$6,613,461.00
390.209 BTC
0.0000%
34
BingX
ETH-USDC$1.001
0.0000591 Btc
$6,559,254.00
5,103.810 ETH
0.0000%
35
WhiteBIT
BTC-USDC$1.001
0.0000591 Btc
$6,265,986.00
369.664 BTC
0.0000%
36
ZigZag (Arbitrum)
WETH-USDC$1.001
0.0000591 Btc
$5,834,200.00
4,553.550 WETH
0.0000%
37
BingX
USDC-USDT$1.001
0.0000591 Btc
$5,115,558.00
5,110,971.014 USDC
0.0047%
38
MEXC Global
DOGE-USDC$1.001
0.0000591 Btc
$3,958,882.00
38,820,615.030 DOGE
0.0359%
39
Uniswap (v2)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.001
0.0000590 Btc
$3,833,774.00
3,855,012.606 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0036%
40
MEXC Global
AVAX-USDC$1.001
0.0000591 Btc
$3,701,225.00
286,174.340 AVAX
0.0003%
41
Kraken
USDC-GBP$1.00
0.0000590 Btc
$3,612,355.00
3,612,187.111 USDC
0.0033%
42
BitMart
ETH-USDC$1.001
0.0000591 Btc
$3,528,386.00
2,762.008 ETH
0.0000%
43
Sushiswap (Arbitrum One)
0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$1.002
0.0000591 Btc
$3,506,465.00
3,519,523.231 0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8
0.0033%
44
Gemini
USDC-USD$0.9997
0.0000590 Btc
$3,200,025.00
3,201,145.302 USDC
0.0030%
45
Kraken
BTC-USDC$1.001
0.0000591 Btc
$3,036,088.00
179.126 BTC
0.0000%
46
Sushiswap
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$0.9995
0.0000590 Btc
$2,893,677.00
2,898,380.140 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0027%
47
Binance US
USDC-USD$0.9999
0.0000590 Btc
$2,661,364.00
2,661,629.951 USDC
0.0025%
48
Bitget
BTC-USDC$1.001
0.0000591 Btc
$2,585,383.00
151.193 BTC
0.0000%
49
Uniswap (v3)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.005
0.0000593 Btc
$2,209,103.00
128.621 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
50
MEXC Global
XRP-USDC$1.001
0.0000591 Btc
$2,092,077.00
5,280,865.760 XRP
0.0049%
51
MEXC Global
BCH-USDC$1.001
0.0000591 Btc
$1,932,711.00
17,413.860 BCH
0.0000%
52
Bitstamp
USDC-EUR$0.9995
0.0000590 Btc
$1,883,453.00
1,884,347.699 USDC
0.0017%
53
Bitstamp
USDC-USD$0.9992
0.0000590 Btc
$1,881,929.00
1,883,436.033 USDC
0.0017%
54
MEXC Global
EOS-USDC$1.001
0.0000591 Btc
$1,787,826.00
1,921,160.590 EOS
0.0018%
55
MEXC Global
LTC-USDC$1.001
0.0000591 Btc
$1,707,634.00
21,974.480 LTC
0.0000%
56
Hotbit
USDC-USDT$1.00
0.0000590 Btc
$1,537,107.00
1,536,924.840 USDC
0.0014%
57
Kraken
ETH-USDC$1.001
0.0000591 Btc
$1,334,928.00
1,045.151 ETH
0.0000%
58
MEXC Global
SOL-USDC$1.001
0.0000591 Btc
$1,318,998.00
97,441.960 SOL
0.0001%
59
Bitget
USDC-USDT$1.001
0.0000591 Btc
$1,053,071.00
1,051,952.688 USDC
0.0010%
60
MEXC Global
ADA-USDC$1.001
0.0000591 Btc
$1,042,732.00
3,316,999.640 ADA
0.0031%
61
MEXC Global
FTM-USDC$1.001
0.0000591 Btc
$1,030,854.00
4,021,245.810 FTM
0.0037%
62
MEXC Global
SHIB-USDC$1.001
0.0000591 Btc
$982,106.00
107,171,944,568.000 SHIB
99.1687%
63
Bitget
ETH-USDC$1.001
0.0000591 Btc
$836,046.00
650.781 ETH
0.0000%
64
PancakeSwap (v2)
0X2170ED0880AC9A755FD29B2688956BD959F933F8-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D$1.005
0.0000593 Btc
$833,429.00
645.601 0X2170ED0880AC9A755FD29B2688956BD959F933F8
0.0000%
65
Tidex
BTC-USDC$1.004
0.0000591 Btc
$820,947.00
48.292 BTC
0.0000%
66
Bibox
ETH-USDC$1.001
0.0000591 Btc
$772,046.00
605.000 ETH
0.0000%
67
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-BUSD$1.005
0.0000593 Btc
$746,412.00
744,534.563 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0007%
68
Maiar
WEGLD-BD4D79-USDC-C76F1F$1.002
0.0000591 Btc
$707,158.00
16,214.041 WEGLD-BD4D79
0.0000%
69
MEXC Global
TRX-USDC$1.001
0.0000591 Btc
$690,304.00
12,711,771.870 TRX
0.0118%
70
Bybit
BIT-USDC$1.001
0.0000591 Btc
$604,899.00
1,948,777.930 BIT
0.0018%
71
Coinbase Exchange
USDT-USDC$1.001
0.0000591 Btc
$548,119.00
547,518.670 USDT
0.0005%
72
Phemex
USDC-USDT$1.001
0.0000591 Btc
$508,301.00
507,885.040 USDC
0.0005%
73
BitMart
USDC-USDT$1.001
0.0000591 Btc
$484,615.00
484,100.500 USDC
0.0004%
74
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-USDT$1.003
0.0000592 Btc
$441,459.00
440,809.829 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0004%
75
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.005
0.0000593 Btc
$419,274.00
424,152.561 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0004%
76
MEXC Global
MATIC-USDC$1.001
0.0000591 Btc
$379,078.00
412,073.720 MATIC
0.0004%
77
BKEX
APE-USDC$1.001
0.0000591 Btc
$268,717.00
67,596.216 APE
0.0001%
78
MEXC Global
AAVE-USDC$1.001
0.0000591 Btc
$264,998.00
4,144.119 AAVE
0.0000%
79
Bitget
BCH-USDC$1.001
0.0000591 Btc
$241,967.00
2,157.235 BCH
0.0000%
80
Coinbase Exchange
USDC-EUR$1.001
0.0000591 Btc
$229,418.00
229,170.560 USDC
0.0002%
81
Bitstamp
BTC-USDC$1.001
0.0000591 Btc
$225,608.00
13.361 BTC
0.0000%
82
MEXC Global
ENS-USDC$1.001
0.0000591 Btc
$217,229.00
15,481.520 ENS
0.0000%
83
Coinbase Exchange
USDC-GBP$0.9999
0.0000590 Btc
$213,679.00
213,695.200 USDC
0.0002%
84
BitMart
BUSD-USDC$1.001
0.0000591 Btc
$174,239.00
174,155.800 BUSD
0.0002%
85
Bitget
BNB-USDC$1.001
0.0000591 Btc
$166,428.00
559.906 BNB
0.0000%
86
Bitfinex
UDC-USDT$1.001
0.0000591 Btc
$164,523.00
164,325.238 UDC
0.0002%
87
BitMart
DAI-USDC$1.001
0.0000591 Btc
$154,872.00
154,841.200 DAI
0.0001%
88
MEXC Global
KLAY-USDC$1.001
0.0000591 Btc
$153,902.00
810,765.300 KLAY
0.0008%
89
Bitget
ADA-USDC$1.001
0.0000591 Btc
$153,516.00
484,380.000 ADA
0.0004%
90
Okcoin
USDC-USD$0.9999
0.0000590 Btc
$145,463.00
145,477.057 USDC
0.0001%
91
CoinEx
USDC-USDT$1.002
0.0000591 Btc
$140,142.00
139,892.614 USDC
0.0001%
92
Bittrex
USDC-USD$1.002
0.0000591 Btc
$124,886.00
124,640.291 USDC
0.0001%
93
CoinJar Exchange
USDC-AUD$0.9996
0.0000590 Btc
$122,059.00
122,105.056 USDC
0.0001%
94
Bitget
AVAX-USDC$1.001
0.0000591 Btc
$107,373.00
8,219.980 AVAX
0.0000%
95
BKEX
ATOM-USDC$1.001
0.0000591 Btc
$105,438.00
10,130.592 ATOM
0.0000%
96
Bitget
DOGE-USDC$1.001
0.0000591 Btc
$100,279.00
964,391.793 DOGE
0.0009%
97
Coinfield
BTC-USDC$1.004
0.0000591 Btc
$94,746.00
5.576 BTC
0.0000%
98
Bitget
TRX-USDC$1.001
0.0000591 Btc
$92,797.00
1,700,974.500 TRX
0.0016%
99
BKEX
SOL-USDC$1.001
0.0000591 Btc
$79,307.00
5,735.887 SOL
0.0000%
100
Coinsbit
USDC-USDT$1.001
0.0000591 Btc
$45,141.00
45,083.922 USDC
0.0000%

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x30D2a9F5FDf90ACe8c17952cbb4eE48a55D916A7

Contract Name:
UpgradeBeaconProxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 999999 runs

Other Settings:
default evmVersion
File 1 of 2 : UpgradeBeaconProxy.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.11;

// ============ External Imports ============
import {Address} from "@openzeppelin/contracts/utils/Address.sol";

/**
 * @title UpgradeBeaconProxy
 * @notice
 * Proxy contract which delegates all logic, including initialization,
 * to an implementation contract.
 * The implementation contract is stored within an Upgrade Beacon contract;
 * the implementation contract can be changed by performing an upgrade on the Upgrade Beacon contract.
 * The Upgrade Beacon contract for this Proxy is immutably specified at deployment.
 * @dev This implementation combines the gas savings of keeping the UpgradeBeacon address outside of contract storage
 * found in 0age's implementation:
 * https://github.com/dharma-eng/dharma-smart-wallet/blob/master/contracts/proxies/smart-wallet/UpgradeBeaconProxyV1.sol
 * With the added safety checks that the UpgradeBeacon and implementation are contracts at time of deployment
 * found in OpenZeppelin's implementation:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/proxy/beacon/BeaconProxy.sol
 */
contract UpgradeBeaconProxy {
    // ============ Immutables ============

    // Upgrade Beacon address is immutable (therefore not kept in contract storage)
    address private immutable upgradeBeacon;

    // ============ Constructor ============

    /**
     * @notice Validate that the Upgrade Beacon is a contract, then set its
     * address immutably within this contract.
     * Validate that the implementation is also a contract,
     * Then call the initialization function defined at the implementation.
     * The deployment will revert and pass along the
     * revert reason if the initialization function reverts.
     * @param _upgradeBeacon Address of the Upgrade Beacon to be stored immutably in the contract
     * @param _initializationCalldata Calldata supplied when calling the initialization function
     */
    constructor(address _upgradeBeacon, bytes memory _initializationCalldata)
        payable
    {
        // Validate the Upgrade Beacon is a contract
        require(Address.isContract(_upgradeBeacon), "beacon !contract");
        // set the Upgrade Beacon
        upgradeBeacon = _upgradeBeacon;
        // Validate the implementation is a contract
        address _implementation = _getImplementation(_upgradeBeacon);
        require(
            Address.isContract(_implementation),
            "beacon implementation !contract"
        );
        // Call the initialization function on the implementation
        if (_initializationCalldata.length > 0) {
            _initialize(_implementation, _initializationCalldata);
        }
    }

    // ============ External Functions ============

    /**
     * @notice Forwards all calls with data to _fallback()
     * No public functions are declared on the contract, so all calls hit fallback
     */
    fallback() external payable {
        _fallback();
    }

    /**
     * @notice Forwards all calls with no data to _fallback()
     */
    receive() external payable {
        _fallback();
    }

    // ============ Private Functions ============

    /**
     * @notice Call the initialization function on the implementation
     * Used at deployment to initialize the proxy
     * based on the logic for initialization defined at the implementation
     * @param _implementation - Contract to which the initalization is delegated
     * @param _initializationCalldata - Calldata supplied when calling the initialization function
     */
    function _initialize(
        address _implementation,
        bytes memory _initializationCalldata
    ) private {
        // Delegatecall into the implementation, supplying initialization calldata.
        (bool _ok, ) = _implementation.delegatecall(_initializationCalldata);
        // Revert and include revert data if delegatecall to implementation reverts.
        if (!_ok) {
            assembly {
                returndatacopy(0, 0, returndatasize())
                revert(0, returndatasize())
            }
        }
    }

    /**
     * @notice Delegates function calls to the implementation contract returned by the Upgrade Beacon
     */
    function _fallback() private {
        _delegate(_getImplementation());
    }

    /**
     * @notice Delegate function execution to the implementation contract
     * @dev This is a low level function that doesn't return to its internal
     * call site. It will return whatever is returned by the implementation to the
     * external caller, reverting and returning the revert data if implementation
     * reverts.
     * @param _implementation - Address to which the function execution is delegated
     */
    function _delegate(address _implementation) private {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())
            // Delegatecall to the implementation, supplying calldata and gas.
            // Out and outsize are set to zero - instead, use the return buffer.
            let result := delegatecall(
                gas(),
                _implementation,
                0,
                calldatasize(),
                0,
                0
            )
            // Copy the returned data from the return buffer.
            returndatacopy(0, 0, returndatasize())
            switch result
            // Delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @notice Call the Upgrade Beacon to get the current implementation contract address
     * @return _implementation Address of the current implementation.
     */
    function _getImplementation()
        private
        view
        returns (address _implementation)
    {
        _implementation = _getImplementation(upgradeBeacon);
    }

    /**
     * @notice Call the Upgrade Beacon to get the current implementation contract address
     * @dev _upgradeBeacon is passed as a parameter so that
     * we can also use this function in the constructor,
     * where we can't access immutable variables.
     * @param _upgradeBeacon Address of the UpgradeBeacon storing the current implementation
     * @return _implementation Address of the current implementation.
     */
    function _getImplementation(address _upgradeBeacon)
        private
        view
        returns (address _implementation)
    {
        // Get the current implementation address from the upgrade beacon.
        (bool _ok, bytes memory _returnData) = _upgradeBeacon.staticcall("");
        // Revert and pass along revert message if call to upgrade beacon reverts.
        require(_ok, string(_returnData));
        // Set the implementation to the address returned from the upgrade beacon.
        _implementation = abi.decode(_returnData, (address));
    }
}

File 2 of 2 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_upgradeBeacon","type":"address"},{"internalType":"bytes","name":"_initializationCalldata","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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